Senior Full-Stack Product Engineer

R3 Robotics

Luxembourg

Your role

We are looking for a Senior Full-Stack Product Engineer (with a strong front-end focus) to lead and drive customer-facing software projects powering our automated product disassembly and upcycling solutions. You will be actively involved in designing web applications, human-machine interfaces, and supporting cross-application backend integration.

This position is ideal for individuals who demonstrate strong ownership, excel in coding skills and like to see their work making a real difference immediately.

Your responsibilities

Take ownership of both front-end and back-end development, ensuring smooth integration and delivery of high-quality applications;
Develop reliable, user-friendly software using React for the frontend and Node.js/Python for the backend, with strong emphasis on testing and quality assurance;
Forward-deploy into customer teams to adapt the software to their operational needs, gather feedback from operators, and translate insights into product improvements;
Own end-to-end customer communication;
Collaborate closely with robotics, perception, automation, and AI teams to bring innovative solutions to market;
Drive the full software development lifecycle — from planning and requirements gathering to coding, testing, deployment, and troubleshooting;
Establish and promote best coding practices, leveraging design patterns and modern approaches while mentoring peers where necessary;
Contribute to ongoing R&D efforts, helping evolve our products to meet the needs of both customers and the sustainability industry;
Educate internal teams on new initiatives, providing training and support when needed.

Your profile

4+ years of experience as a Software Engineer/Full-Stack Developer;
Strong frontend expertise (React, Angular, or Vue) and backend experience with REST APIs, WebSockets, Message Queues;
Proficiency in Node.js, Python, and common design patterns;
Experience with cloud platforms such as AWS;
Experience developing web-based applications and shipping products in smaller organizations/startups;
Strong problem-solving skills, proactive mindset, and ability to work independently;
Excellent communication skills; fluent in English (French or German is a plus).